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Yasuo Nagai
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Maebashi, JP
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last 30 patents
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Patent Grant
Semiconductor integrated circuit device
Patent number
4,885,628
Issue date
Dec 5, 1989
Hitachi, Ltd.
Yasuo Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit for detecting abnormality in feeder
Patent number
4,748,652
Issue date
May 31, 1988
Hitachi, Ltd.
Yasuo Nagai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Constant current source device having a ratio metricity between sup...
Patent number
4,591,780
Issue date
May 27, 1986
Hitachi, Ltd.
Kazuji Yamada
G05 - CONTROLLING REGULATING